Sidewall for a bottle



FIG. 1 is a top front left side perspective view of a sidewall for a bottle showing my new design;

FIG. 2 is a left side elevation, the right side elevation is a mirror image thereto;

FIG. 3 is a rear elevation thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view.

The broken lines showing the bottle neck and base are for illustratve purposes only and do not form part of the claimed design. 

The ornamental design for a sidewall for a bottle, as shown and described. 